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"A DCT-based Mod4 steganographic method."
KokSheik Wong, Xiaojun Qi, Kiyoshi Tanaka (2007)
- KokSheik Wong, Xiaojun Qi, Kiyoshi Tanaka:
A DCT-based Mod4 steganographic method. Signal Process. 87(6): 1251-1263 (2007)
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